diff options
Diffstat (limited to 'package/kernel/mac80211/patches/313-v4.16-0001-brcmfmac-enlarge-buffer-size-of-caps-to-512-bytes.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/313-v4.16-0001-brcmfmac-enlarge-buffer-size-of-caps-to-512-bytes.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/313-v4.16-0001-brcmfmac-enlarge-buffer-size-of-caps-to-512-bytes.patch b/package/kernel/mac80211/patches/313-v4.16-0001-brcmfmac-enlarge-buffer-size-of-caps-to-512-bytes.patch new file mode 100644 index 0000000..731b7ed --- /dev/null +++ b/package/kernel/mac80211/patches/313-v4.16-0001-brcmfmac-enlarge-buffer-size-of-caps-to-512-bytes.patch @@ -0,0 +1,44 @@ +From 7762bb134e3b40e8ee2611365775b7432190a9c7 Mon Sep 17 00:00:00 2001 +From: Wright Feng <wright.feng@cypress.com> +Date: Mon, 11 Dec 2017 15:38:21 +0800 +Subject: [PATCH] brcmfmac: enlarge buffer size of caps to 512 bytes + +The buffer size of return of cap iovar is greater than 256 bytes in some +firmwares. For instance, the return size of cap iovar is 271 bytes in 4373 +13.10.246.79 firmare. It makes feature capability parsing failed because +caps buffer is default value. +So we enlarge caps buffer size to 512 bytes and add the error print for +cap iovar error. + +Signed-off-by: Wright Feng <wright.feng@cypress.com> +Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c | 12 +++++++++--- + 1 file changed, 9 insertions(+), 3 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c +@@ -130,13 +130,19 @@ static void brcmf_feat_iovar_data_set(st + } + } + ++#define MAX_CAPS_BUFFER_SIZE 512 + static void brcmf_feat_firmware_capabilities(struct brcmf_if *ifp) + { +- char caps[256]; ++ char caps[MAX_CAPS_BUFFER_SIZE]; + enum brcmf_feat_id id; +- int i; ++ int i, err; ++ ++ err = brcmf_fil_iovar_data_get(ifp, "cap", caps, sizeof(caps)); ++ if (err) { ++ brcmf_err("could not get firmware cap (%d)\n", err); ++ return; ++ } + +- brcmf_fil_iovar_data_get(ifp, "cap", caps, sizeof(caps)); + brcmf_dbg(INFO, "[ %s]\n", caps); + + for (i = 0; i < ARRAY_SIZE(brcmf_fwcap_map); i++) { |